<SEC-DOCUMENT>0001525039-22-000014.txt : 20221129
<SEC-HEADER>0001525039-22-000014.hdr.sgml : 20221129
<ACCEPTANCE-DATETIME>20221129101226
ACCESSION NUMBER:		0001525039-22-000014
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20221128
FILED AS OF DATE:		20221129
DATE AS OF CHANGE:		20221129

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kesslen Jay H
		CENTRAL INDEX KEY:			0001525039

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-22299
		FILM NUMBER:		221429066

	MAIL ADDRESS:	
		STREET 1:		C/O HORIZON KINETICS LLC
		STREET 2:		470 PARK AVE S, 8TH FL S
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10016

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RENN Fund, Inc.
		CENTRAL INDEX KEY:			0000919567
		IRS NUMBER:				752533518
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8080 N CENTRAL EXPRWY
		STREET 2:		STE 210 LB59
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75206
		BUSINESS PHONE:		2148918294

	MAIL ADDRESS:	
		STREET 1:		8080 N CENTRAL EXPWY., SUITE 210 LB 59
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75206

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RENN Global Entrepreneurs Fund, Inc.
		DATE OF NAME CHANGE:	20090519

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RENAISSANCE CAPITAL GROWTH & INCOME FUND III INC
		DATE OF NAME CHANGE:	19940228
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-11-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000919567</issuerCik>
        <issuerName>RENN Fund, Inc.</issuerName>
        <issuerTradingSymbol>RCG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001525039</rptOwnerCik>
            <rptOwnerName>Kesslen Jay H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HORIZON KINETICS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>470 PARK AVE S, 8TH FL S</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10016</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice-President &amp; CCO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-11-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.06</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>30443.466</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/Jay Kesslen</signatureName>
        <signatureDate>2022-11-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
